Question

Ochyciufxigcohv 6 класс​

Answer 1

$m:\frac{10}{11}=\frac{2}{7}:\frac{20}{7}\\\\m\cdot\frac{11}{10}=\frac{\not2^1}{\not7_1}\cdot\frac{\not7^1}{\not20_{10}}\\\\\frac{11m}{10}=\frac{1}{10}\\\\11m\cdot10=10\cdot1\\\\110m=10 \ \ |:110\\\\m=\frac{10}{110}=\boxed{\frac{1}{11}}$